US5772958A - Method and apparatus for the pasteurization of a continuous line of products - Google Patents

Method and apparatus for the pasteurization of a continuous line of products Download PDF

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Publication number
US5772958A
US5772958A US08/693,295 US69329596A US5772958A US 5772958 A US5772958 A US 5772958A US 69329596 A US69329596 A US 69329596A US 5772958 A US5772958 A US 5772958A
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heat
fluid
products
zone
temperature
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US08/693,295
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J.o slashed.rgen Tage Nielsen
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Sander Hansen AS
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Sander Hansen AS
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
    • A61L2/04—Heat
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/003—Control or safety devices for sterilisation or pasteurisation systems
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/20—Preservation of foods or foodstuffs, in general by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/20—Preservation of foods or foodstuffs, in general by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus
    • A23B2/205—Preservation of foods or foodstuffs, in general by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus with packages on a drum with horizontal axis
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/20—Preservation of foods or foodstuffs, in general by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus
    • A23B2/22—Preservation of foods or foodstuffs, in general by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus with packages on endless chain or band conveyors
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/12—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages without precipitation
    • C12H1/16—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages without precipitation by physical means, e.g. irradiation
    • C12H1/18—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages without precipitation by physical means, e.g. irradiation by heating

Definitions

  • the invention relates to a method for the pasteurization of a continuous line of products in an apparatus having a heating area, a pasteurization area and a cooling area as well as means of conveyance for carrying the products through the areas in the order indicated in a regular motion from the inlet of the apparatus to the outlet hereof, whereby heating, pasteurization and cooling are effected by heat transfer between the products and a fluid, preferably water, which is sprinkled over the products, the areas being divided into zones extending in the direction of motion of the products, and the temperature of the water in the individual zone being adapted to the desired sequence of the heat transfer for the zone.
  • a fluid preferably water
  • the invention also relates to an apparatus for use in the implementation of the said method, said apparatus having a a heating area, a pasteurization area and a cooling area as well as means of conveyance for carrying the products through the areas in the order indicated in a regular motion from the inlet of the apparatus to the outlet hereof, whereby heating, pasteurization and cooling are effected by heat transfer between the products and a fluid, preferably water, which is sprinkled over the products, the areas being divided into zones extending in the direction of motion of the products, and the temperature of the water in the individual zone being adapted to the desired sequence of the heat transfer for the zone.
  • a fluid preferably water
  • a continuous line of products which must necessarily be pasteurized in order to achieve keeping qualities, is known for example from the brewery industry in the form of beer or similar products, which are contained in bottles.
  • Tunnel pasteurizers are known for example from DK Patent Specification No. 161.618, U.S. Pat. No. 4.490.401 and No. 4.441.406, GB Printed Specification No. 2.182.542 and EP Patent Specification No. 0.437.499.
  • the products are pasteurized in a regular progressing movement from an inlet to an outlet. During this movement the products are heated gradually, whereby the pasteurization is accomplished, and normally a gradual cooling down will take place eventually in order to stop the pasteurization process.
  • the apparatuses may therefore be divided into a heating area, a pasteurization area and a cooling area in the said order.
  • All known tunnel pasteurizers do not necessarily comprise a heating and a cooling area, however, in the brewery industry this is normally the case, since the purpose of gradual heating and gradual cooling is in part to prevent breaking of the containers of the products, which are normally glass bottles, as a result of abrupt changes of temperature, and in part to utilize a heat exchange between the heating and the cooling areas.
  • the heat transfer to container products is normally accomplished by spraying the containers with a heated fluid, preferably water, as the products are carried forward along the apparatus on a conveyor belt, which the sprinkling water can pass through.
  • a heated fluid preferably water
  • bottom vessels are provided underneath the conveyor belt, and from there the sprinkling water can be pumped up to a higher level to the effect that sprinkling can continue.
  • the temperature of the sprinkling water in the individual zone is adapted carefully according to the products, the lengths of the zones in the apparatus and the speed of the conveyor belts in order that the products receive the prescribed degree of pasteurization.
  • the water is heated by means of sources of heat, which may be in the form of bodies heated by electricity and submerged in the water.
  • the water may also be heated simply by feeding steam out into the water.
  • heat exchangers are used for heating the water in the zones, the heat exchangers being connected to each individual zone, in which the products are to be heated, and water and steam are supplied through their own separate circulation, the steam in most known apparatuses being supplied from a shared steam supply source with the application of so-called analog valves for the control of the steam admission for the heat exchanger provided in the individual zone.
  • a central source of heat comprising a hot water storage tank is also provided, in addition to heat exchanges connected to the individual heating zones.
  • the hot water storage tank contains water, which has been heated by sprinkling over warm products, which are to be cooled.
  • the water is then utilized as a buffer storage to be used following a failure of equipment in the tunnel pasteurizer, the water being distributed to the individual zones via analog valves connected to each individual zone.
  • analog valves refer to valves, which can be adjusted to deliver a certain amount of fluid, in contrast to valves, which are either open or closed (on/off valves).
  • This object is achieved by means of a method of the kind described in the introduction, which method is advantageous in that hot water is taken out under low pressure from a heat unit comprising a heat insulated storage tank and a shared source of heat, where the water is circulating constantly through the heat unit, said hot water being supplied in a controlled amount directly to each zone, in which the products are to be heated, the hot water in the unit being maintained at a temperature, which is substantially higher than the temperature of the sprinkling water in the zone having the highest temperature.
  • the invention also relates to an apparatus for use in the implementation of the said method and is of the type described in the introduction, which apparatus is advantageous in that the apparatus has a heat unit comprising a heat insulated storage tank and a shared source of heat, which is connected to the storage tank and is adapted to heat the water and to circulate the water constantly in the storage tank, a first pipeline extending from the heat unit and a shared second pipeline for cold water supply, said pipelines being interconnected at each zone to be heated via a three-way valve, the third duct of which via an analog valve being connected to a third pipeline for admission of sprinkling water to the zone, and in that the heat unit is adapted to maintain the water at a temperature, which substantially exceeds the temperature of the sprinkling water in the zone having the highest temperature.
  • a heat unit comprising a heat insulated storage tank and a shared source of heat, which is connected to the storage tank and is adapted to heat the water and to circulate the water constantly in the storage tank, a first pipeline extending from the heat
  • the number of analog valves for steam is minimized to comprise a single analog steam valve only, namely the analog steam valve, which carries steam to the shared heat exchanger, as a result of which the frequent leakages, which are known from the large number of analog steam valves of the known apparatuses, are avoided.
  • a leakage of this single analog steam valve has only a minor effect on the overall effect of the apparatus, and on the overall consumption of cooling water because the water in the storage tank is constantly circulating through the heat exchanger and is still subjected to heating.
  • tunnel pasterurizers apparatuses used for example in the brewery industry for pasteurization of products to increase the shelf life hereof, the apparatuses forming part of a bottling unit, for example for the production of beer or similar products in glass bottles, and with reference to the drawing, which illustrates in isometry a tunnel pasteurizer according to the invention.
  • Two conveyor belts 2a, 2b lead to the end of the apparatus, and at the end of each conveyor belt rails 4a, 4b are provided for diversion of bottles, which are on the belts, to the effect that the bottles are carried lengthwise through the apparatus 1.
  • the conveyor belts are driven by motors 3a, 3b.
  • the apparatus 1 has at the end illustrated a heat unit comprising a heat insulated storage tank 5, which is at the end wall provided with a manhole 6 for admittance to the interior of the storage tank 5 for maintenance purposes.
  • a heat exchanger 7 which is adapted to heat water by means of steam, which through a pipe 8 is supplied from a steam supply source, which is not illustrated, the steam supply being controlled by an analog valve for steam, which is likewise not illustrated.
  • the water is carried to the heat exchanger 7 through a first pipe 9 and flows out again through a second pipe 10 after heating, the water being made to circulate under low pressure through the heat exchanger 7 and the storage tank 5 in heated condition by means of a pump, which is not illustrated in the drawing.
  • the water is heated in the heat exchanger 7 and maintained at a temperature, which substantially exceeds the temperature of the sprinkling water in the zone having the highest temperature, as will be explained below.
  • the water is thus heated advantageously up to between 80° and 90° C.
  • the heat insulated storage tank 5 is designed to have a large cubic capacity.
  • the first pipe 9 and the second pipe 10 extend along the side of the apparatus 1 between the storage tank 5 and the heat exchanger 7.
  • a first valve 11 for the purpose of opening and closing off the circulation of the heated water.
  • a first pipeline 12 is connected between the heat exchanger 7 and the first valve 11, said pipeline extending along the side of the apparatus 1 and along the zones, as will be explained below.
  • the first valve 11 is a so-called open/closed valve (on/off valve), which is adapted to either let the hot water pass or to prevent its passage. If hot water passes through the on/off valve 11, the pressure in the second pipe 10 will be low, to the effect that only a small amount of water is pressed out into in the first pipeline 12, of course provided that there are no open draw-off cocks along the first pipeline 12.
  • a second pipeline 13 carrying cold water extends parallel to the first pipeline 12 along the apparatus 1.
  • the apparatus is divided into a number of areas comprising as minimum a heating area, a pasteurization area, and a cooling area, and these areas may be divided into a number of zones 14a, 14b, . . . , 14n.
  • the zones 14a, 14b, . . . , 14n each comprises a bottom vessel 15a, 15b, . . . , 15n, and a pipeline 16a, 16b, . . . , 16n, which can carry water from the bottom vessel 15a, 15b, . . . , 15n to the top of the zone, from which the water can trickle down in a manner, which is not illustrated in detail, and over the products, which are being conveyed through the apparatus, the water from the bottom vessel being pumped up by means of pumps 17a, . . . , 17b, . . . 17n.
  • the zones are closed by covers 18a, 18b, . . . , 18n.
  • the zone 14a which is located closest to the heat unit, illustrates a heating area which is adapted for initial heating of the products and is supplied with water as required from the first pipeline 12 by opening a second open/closed valve 21 (on/off valve) of a pipe 22, which leads from the first pipeline 12 and down to the bottom vessel 15a.
  • the first pipeline 12 and the second pipeline 13 are interconnected by a three-way valve 19b.
  • the third duct of the three-way valve 19b is connected to the pipeline 16b via an analog valve 20b.
  • Hot water can either be carried from the first pipeline 12 or cold water from the second pipeline 13 to the analog valve 20b by means of the three-way valve 19b.
  • the three-way valve 19b and the analog valve 20b are kept shut so that water is not supplied to the pipeline 16b.
  • a given amount of hot or cold water can be supplied from the analog valve 20b into the pipeline 16b, in dependence of the adjustment of the three-way valve 19b and the analog valve 20b, whereby the temperature of the sprinkling water in the zone 14b can be increased or reduced as needed.
  • the amount of water in the zone 14b will thus increase, and the excess amount of water is carried away via an overflow of the bottom vessel 15b and return from there via a return pipe 24 to the storage tank 5 in the heat unit.
  • the products continue progressing through the apparatus and into the cooling area, which is not illustrated in the drawing, where the products are cooled down. If the products are not cooled down, the number of Pasteurization Units (PU), a measure of the degree of pasteurization, will continue to increase.
  • PU Pasteurization Units
  • zone or the zones will be supplied with cold water as needed from the second pipeline 13 by opening of an open/closed valve (on/off valve) of a pipe, which leads from the second pipeline 13 down into the bottom vessel in a similar manner as that described for the arrangement in zone 14a.
  • an open/closed valve on/off valve
  • the storage tank 5 with its large content of hot water which preferably is kept at a temperature between 85° and 90° C. by means of the heat exchanger 7, ensures a sufficient large heat capacity for fast heating of the products, until then underpasteurized, to the effect that the products have achieved the prescribed number of PU after their passage through the apparatus 1.
  • any fragments of broken glass from containers, which have broken during heating and cooling will remain in their respective bottom vessels to the effect that they are not carried to the heat exchanger 7 in the heat unit and thus risk clogging up of the unit.
  • the heat exchanger 7 may advantageously be opened at both ends by means of removable end covers 23, and because it is provided with interior rectilinear pipes, cleaning and maintenance are facilitated.
  • the water in the storage tank 5 is circulating constantly at a temperature between 85° and 90° C., microorganisms and slime from the water in the storage tank 5 are eliminated, as a result of which the hot water which is carried to the zones in order to heat the sprinkling water will not contain micro-organisms.
  • a tunnel pasteurizer normally requires supply of energy, even in normal operation. With the method and the apparatus according to the invention this requirement is reduced to a minimum consumption of hot water which must be added to the sprinkling water in order to ensure that its temperature is maintained at the predetermined temperature in the zones. Since the hot water, which is added to the sprinkling water, does not contain micro-organisms, and since all the water has passed the storage tank 5 after a certain time, the need for additives is reduced.
  • the apparatus according to the invention has one heat exchanger only, and as a result the return pipe system for condensate is also simpler as compared to the known apparatuses because in this case there is only a single connection point for condensate.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • Food Science & Technology (AREA)
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  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
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  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
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  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • External Artificial Organs (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
US08/693,295 1994-02-18 1995-02-09 Method and apparatus for the pasteurization of a continuous line of products Expired - Lifetime US5772958A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK0204/94 1994-02-18
DK020494A DK171431B1 (da) 1994-02-18 1994-02-18 Fremgangsmåde og apparat til at pasteurisere en fortløbende række af produkter
PCT/DK1995/000062 WO1995022352A1 (en) 1994-02-18 1995-02-09 Method and apparatus for the pasteurization of a continuous line of products

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US (1) US5772958A (de)
EP (1) EP0744903B1 (de)
AT (1) ATE207710T1 (de)
AU (1) AU1805995A (de)
DE (2) DE69523573T2 (de)
DK (2) DK171431B1 (de)
ES (1) ES2161867T3 (de)
PT (1) PT744903E (de)
WO (1) WO1995022352A1 (de)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6142065A (en) * 1998-05-29 2000-11-07 Sasib S.P.A. System for controlling the pasteurization heat treatment, in particular of packaged food products, in tunnel-type pasteurizers
US6352021B1 (en) * 2000-08-09 2002-03-05 Sasib S.P.A. Apparatus for heating and controlling the process temperature in a tunnel pasteurizer
US6588327B2 (en) * 2000-05-25 2003-07-08 Showa Tansan Co., Ltd. Pasteurizer
EP1038451A3 (de) * 1999-02-24 2003-11-12 KHS Maschinen- und Anlagenbau Aktiengesellschaft Verfahren zum Betreiben einer Pasteurisierungsanlage
US20050079261A1 (en) * 2003-10-08 2005-04-14 Kraft Foods Holdings, Inc. Apparatus and method for surface treatment of a food product
EP1525808A1 (de) * 2003-10-21 2005-04-27 SIG Technology Ltd. Pasteurisierungstunnel
EP1529538A1 (de) * 2003-11-10 2005-05-11 KHS Maschinen- und Anlagenbau Aktiengesellschaft Pasteurisierungsanlage
US20060040029A1 (en) * 2004-08-02 2006-02-23 Fmc Technologies, Inc. Dry food pasteurization apparatus and method
US20060151017A1 (en) * 2002-06-28 2006-07-13 Fresh Express, Inc. Systems and methods for surface pasteurization of produce
US20070079618A1 (en) * 2005-10-07 2007-04-12 Stokely-Van Camp, Inc. Bottle cooler and method
WO2007101455A3 (de) * 2005-06-17 2008-01-10 Sander Hansen As Krones Group Tunnelpasteur
US20090004349A1 (en) * 2007-06-27 2009-01-01 Stokley-Van Camp, Inc. Energy and Water Conservation in Cooling of Containers Containing Heated Products
US20090288565A1 (en) * 2007-11-08 2009-11-26 Sidel Holdings & Technology Sa Tunnel pasteuriser
WO2010056175A1 (en) * 2008-11-17 2010-05-20 Tetra Laval Holdings & Finance S.A. A method of packing a food and heat treating it for purposes of extending its shelf-life
US20140110360A1 (en) * 2012-10-22 2014-04-24 Krones Ag Device for thermally treating products with cleaning of the process liquid
US20160073674A1 (en) * 2014-09-17 2016-03-17 Sinteco Impianti S.R.L. Apparatus for pasteurizing and cooling food products
US11358077B2 (en) * 2017-03-31 2022-06-14 Krones Ag Bottle-processing machine and method for cleaning the pump/nozzle protector of the bottle-processing machine
EP4473843A1 (de) * 2023-06-06 2024-12-11 KRONES Aktiengesellschaft System und verfahren zum erwärmen und/oder abkühlen, insbesondere pasteurisieren, von gefüllten und geschlossenen behältern

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DE29611297U1 (de) * 1996-06-28 1996-09-05 Rico-Maschinenbau Max Appel KG, 73431 Aalen Pasteurisiervorrichtung
ES2184533B1 (es) * 1999-05-12 2004-03-01 Aleman Luis Morata Procedimiento de pasteurizacion de alimentos y tunel de pasteurizacion para utilizarlo con dicho procedimiento.
US6834473B2 (en) 2000-02-23 2004-12-28 Khs Maschinen- Und Anlagenbau Ag Bottling plant and method of operating a bottling plant and a bottling plant with sections for stabilizing the bottled product
DE10320078A1 (de) * 2003-05-05 2004-12-02 Krones Ag Vorrichtung zum Behandeln von Gegenständen mit Flüssigkeit
ITTO20040664A1 (it) * 2004-10-05 2005-01-05 R E A S N C Di Sassi E Baudin Apparato per la pastorizzazione di prodotti alimentari
DE102011110210A1 (de) * 2011-08-16 2013-02-21 Khs Gmbh Verfahren zum Steuern einer Pasteurisiervorrichtung sowie Pasteurisiervorrichtung
DE102013021526A1 (de) 2013-12-18 2015-06-18 Mora Associates Sarl Verfahren zur Hygienisierung und Emissionsminderung innerhalb eines Bioreaktors einer Feststoffvergärungsanlage nach Batch-Verfahren und Verfahren zur Vermeidung von MAP/Struvit-Bildung auf einer Feststoffvergärungsanlage

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US2652841A (en) * 1950-12-08 1953-09-22 Anlo Inc Article cleaning machine
US4023618A (en) * 1975-08-18 1977-05-17 Union Carbide Corporation Heat exchanger headering arrangement
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US2282187A (en) * 1939-08-11 1942-05-05 Barry Wehmiller Mach Co Process of pasteurizing liquids in containers
US2652841A (en) * 1950-12-08 1953-09-22 Anlo Inc Article cleaning machine
US4023618A (en) * 1975-08-18 1977-05-17 Union Carbide Corporation Heat exchanger headering arrangement
US4441406A (en) * 1982-06-14 1984-04-10 Miller Brewing Company Pasteurization apparatus
US4490401A (en) * 1982-06-14 1984-12-25 Miller Brewing Company Pasteurization method
WO1990002707A1 (en) * 1988-09-09 1990-03-22 Beaumont (Uk) Limited Water treatment system
EP0430907A2 (de) * 1989-11-27 1991-06-05 SIMONAZZI S.p.A. Vorrichtung zur Steuerung eines Pasteurisierungsverfahrens
WO1991015128A1 (de) * 1990-04-04 1991-10-17 Otto Tuchenhagen Gmbh & Co. Kg Verfahren zur erzielung gleichbleibender produktqualität und -sicherheit in pasteurisierungsanlagen bei eintritt eines staus und anordnung zur ausführung des verfahrens
US5310566A (en) * 1990-04-04 1994-05-10 Otto Tuchenhagen Gmbh & Co. Kg Method of ensuring constant product quality and safety when tailback conditions occur in pasteurizers

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6142065A (en) * 1998-05-29 2000-11-07 Sasib S.P.A. System for controlling the pasteurization heat treatment, in particular of packaged food products, in tunnel-type pasteurizers
EP1038451A3 (de) * 1999-02-24 2003-11-12 KHS Maschinen- und Anlagenbau Aktiengesellschaft Verfahren zum Betreiben einer Pasteurisierungsanlage
US6588327B2 (en) * 2000-05-25 2003-07-08 Showa Tansan Co., Ltd. Pasteurizer
US6352021B1 (en) * 2000-08-09 2002-03-05 Sasib S.P.A. Apparatus for heating and controlling the process temperature in a tunnel pasteurizer
US20060151017A1 (en) * 2002-06-28 2006-07-13 Fresh Express, Inc. Systems and methods for surface pasteurization of produce
US20050079261A1 (en) * 2003-10-08 2005-04-14 Kraft Foods Holdings, Inc. Apparatus and method for surface treatment of a food product
US8088425B2 (en) * 2003-10-08 2012-01-03 Kraft Foods Global Brands Llc Apparatus and method for surface treatment of a food product
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AU1805995A (en) 1995-09-04
WO1995022352A1 (en) 1995-08-24
DE69523573T2 (de) 2002-04-11
DK171431B1 (da) 1996-10-28
DE744903T1 (de) 2000-04-06
EP0744903B1 (de) 2001-10-31
ATE207710T1 (de) 2001-11-15
DK0744903T3 (da) 2002-02-11
DE69523573D1 (de) 2001-12-06
EP0744903A1 (de) 1996-12-04
PT744903E (pt) 2002-04-29
DK20494A (da) 1995-08-19
ES2161867T3 (es) 2001-12-16

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